3 Flashcards
(23 cards)
What is the electron theory of charge?
The electron theory of charge states that the action of rubbing loosing electrons. protons don’t move. One sub gains e one loses e.
True or False: Protons carry a negative charge.
False
What is the electrostatic series?
The electrostatic series is a list that ranks materials based on their ability to hold and transfer electric charge.
Fill in the blank: In the electrostatic series, materials at the top tend to lose electrons and become _____ charged.
positively
What does ‘static’ refer to in the context of electricity?
Static refers to a stationary electric charge that does not flow, often resulting from friction.
What are the two types of electric charge?
Positive charge and negative charge.
True or False: Like charges repel each other.
True
What makes up an atom?
An atom is made up of protons, neutrons, and electrons.
What charge do electrons carry?
Electrons carry a negative charge.
What happens when a positively charged object comes close to a negatively charged object?
They attract each other.
Fill in the blank: Atoms are neutral when they have an equal number of _____ and _____.
protons; electrons
What is the role of neutrons in an atom?
Neutrons contribute to the mass of the atom and stabilize the nucleus but do not carry any charge.
True or False: A charged object can induce a charge in a neutral object.
True
What is charge induction?
Charge induction is the process by which a charged object causes a redistribution of charges in a nearby neutral object.
What determines the strength of the electric force between two charges?
The strength of the electric force is determined by the magnitude of the charges and the distance between them.
True or False: A neutral atom will always remain neutral.
False
What occurs during the process of charging by friction?
Charging by friction occurs when two different materials are rubbed together, causing electrons to transfer from one material to another.
.
Fill in the blank: The process of removing electrons from an atom results in a _____ charge.
positive
What is the significance of the electrostatic series in practical applications?
The electrostatic series helps predict how materials will interact when in contact, allowing for better design in electrical systems.
True or False: Electrons are found in the nucleus of an atom.
False
What type of charge does a rubber balloon acquire when rubbed on hair?
A negative charge.
What is the primary cause of static electricity?
The movement of electrons between materials, often due to friction.
